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Re: [PATCH] Add mdadm to the installation image.
From: |
Andreas Enge |
Subject: |
Re: [PATCH] Add mdadm to the installation image. |
Date: |
Thu, 14 Jul 2016 23:42:20 +0200 |
User-agent: |
Mutt/1.6.1 (2016-04-27) |
On Thu, Jul 14, 2016 at 10:21:25PM +0300, Efraim Flashner wrote:
> How much does it add to the size?
$ guix size mdadm
store item total self
/gnu/store/k2hlwyzfs1v5xj1v6475n52jljd9q89x-mdadm-3.4 79.7
1.1 1.4%
/gnu/store/lpvkjic9dhj55plc29jhq8l39irvqm4f-coreutils-8.25 78.6
14.3 17.9%
/gnu/store/g6704rf6gk8w1czvj24d5sbh9zvhf50i-gmp-6.1.0 63.5
2.6 3.2%
/gnu/store/cny25x3kx0z7c93dsnd9vsxasjgln76d-acl-2.2.52 61.6
0.4 0.5%
/gnu/store/m92xmqp7skc233s867bg3gab860sikwl-libcap-2.24 61.3
0.1 0.2%
/gnu/store/zv5x1g1p4kail830r9aw6n49kw0gk92f-attr-2.4.47 61.2
0.2 0.3%
/gnu/store/9nifwk709wajpyfwa0jzaa3p6mf10vxs-gcc-4.9.3-lib 60.9
22.9 28.7%
/gnu/store/m9vxvhdj691bq1f85lpflvnhcvrdilih-glibc-2.23 38.1
36.7 46.1%
/gnu/store/0010wvgs40kdq8chzsh403qm7la9jxq7-bash-static-4.3.42 1.4
1.4 1.7%
total: 79.7 MiB
But I think that most of these are already there anyway, and only the "self"
part of 1.1MB actually comes extra.
> also, raid10 with 2 disks?
Yes. With the "far" layout, the second disk is a mirror of the first one,
but with the blocks in a different order. So the second disk creates a
backup, and large sequential reads should become close to twice as fast.
Andreas
Re: [PATCH] Add mdadm to the installation image., myglc2, 2016/07/15